cash register



Jam. 7, 1936. H. SADGEBURY 2,026,849

CASH REGISTER Original Filed Sept. 25, 1926 Zhwentor Herman F. SadgebuTy His attorney Patented Jan. 7, 1936 UNITED STATES PATENT orries CASHREGISTER Herman F. Sadgebury, Dayton, Ohio, assignor to The NationalCash Register Company, Dayton, Ohio, a corporation of Maryland Originalapplication September 25, 1926, Serial No. 137,664, new Patent No.1,957,671, dated May 8, 1934. Divided and this application tober 12,1933, Serial No. 693,268

4 Claims. (01. 16447) This invention relates to improvements in cash thelatter being an eccentrically mounted disk. registers and accountingmachines of the type The cam I8I cooperates with a roller I82 on anshown and described in Letters Patent of the arm I83 loosely mounted onthe shaft 8!. The United States, No. 1,742,701, issued to Frederickother cam I88 cooperates with a curved member 5 L. Fuller on January 7,1930. More specifically, I8I which is rigidly secured to the shaft 8!, a5 the present invention is an improvement in paspring I85 beingstretched between the members per severing mechanisms, and is a divisionof the I88 and I84. Normally this spring has very little application forLetters Patent of the United tension, but when the shaft 28 is operatedthe States of Herman F. Sadgebury, Serial No. 137,- eccentricallymounted disk I8I will rock the arm 10 664, filed September 25, 1926, nowPatent No.. I83 tensioning the spring I85, and, by the move- 10 71,issued on May 8, 193 1. ment of the cam I88 against the curved memberOne object of the invention is to provide an im- I88, will furthertension the spring I85. At a proved type of paper severing device,which, in certain point in the operation of the machine, theillustrative machine, is spring operated. which, in the embodimentshown, is substantial- Another object is to provide a novel feature lythe beginning of the up stroke of the keys, the of the severing devicewhereby there is little or no member I84 will drop off the high part ofthe tension in the spring which causes the knife to cam I88 and, due tothe tension stored in the operate, and this spring is tensioned duringthe spring I85, will rock the shaft 8| counter-clockdown stroke of theoperating key. wise quickly and, through an arm I86 attached 2 Withthese and incidental objects in View, the to the shaft 8|, will raise apitman I8'I. The pitinvention includes certain novel features of conmanI81 is connected to an arm I88 fast to a struction and combinations ofparts, the, essential shaft I89 which is journaled between the upperelements of which are set forth in appended ends of the side frames 47and 48. The shaft claims and a preferred'form or embodiment of I89carries a pair of forwardly extending arms 5 which is hereinafterdescribed with reference to I96 (Fig. 2) fitting in slots formed in aslidable the drawing which accompanies and forms a part guillotine knifeI9 I. This knife cooperates with of this specification. a stationaryknife I82 which is suitably apertured of Said drawing so as to permitthe check strip to be projected Fig. 1 is a side elevation of the novelpaper sevthrough said aperture. The knife I9I is urged ering mechanism.against the stationary knife I92 by a pair of arms 30 Fig. 2 is an edgeView of a portion of the mecha- I83, both of which are loose on theshaft 53 but IliSm Of Fig. 1. are urged rearwardly by springs I94.Rocking of the shaft I89 through the pitman I81 will force the knife IQIdownwardly and by means of the The main cam shaft 26 is given onecomplete cutting edges on the latter as well as the knife 35 rotation,for each operation of the machine, upon I92 will sever the advancedcheck strip. depression and release of the usual press-down As the shaft26 completes its cycle, the cam I8I amount keys in key-operated machinesof the revolves to the position shown in Fig. 1, relievtype shown in theabove mentioned Fuller Pating the tension in spring I85. The cam I80also ent No. 1,742,701, and in the parent case, Serial revolves to theposition shown in this figure and 40 moves the curved member I84 and thearm I86 The cliecks, issued by the present machine, are clockwise asmall amount about the shaft 8 I, raisdrawn from a check roll 92 (Fig.1), the paper ing the knife I9I away from the opening in the being woundupon the usual form of spool 93. stationary knife I92 to allow the checkpaper to The free end of the paper is led between type be again fed overthe type wheels. 45 wheels 54 and a platen'or hammer I40. While the formof mechanism herein shown After the check paper has been fed over theand described is admirably adapted to fulfill the type carriers andprinting has been effected it is objects primarily stated, it is to beunderstood desirable to cut the printedportion from the rest that it isnot intended to confine the invention of the strip so as to form a checkwhich may readto the one form or embodiment herein disclosed, 50 ily bewithdrawn from the printing mechanism. for it is susceptible ofembodiment in various The paper severing devices in the illustrativeforms all coming within the scope of the claims machine comprise, asshown in Fig. 1, two cams which follow. attached to the driving shaft26, one designated What is claimed is: 55 by reference character I88,and the second I8I, 1. In an accounting machine, a ticket sever- 5Detail description ing mechanism comprising a stationary knife, amovable knife, means for urging the movable knife toward the stationaryknife, means for retracting the movable knife and thereby storing energyin the first mentioned means and additional means for further storingenergy in said first mentioned means while said movable knife is beingretracted.

2. In an accounting machine, a ticket severing 10 mechanism comprising astationary knife, a movable knife, a spring for urging the movable knifetoward the stationary knife, a shaft, means on the shaft for retractingthe movable knife and thereby partially tensioning the spring, uponrotation of the shaft, and additional means on the shaft for tensioningthe spring simultaneously HERMAN F. SADGEBURY.

